]> matita.cs.unibo.it Git - helm.git/blob - matita/matita/contribs/lambdadelta/basic_2/etc/referred/lfsx_fqup.etc
update in delayed_updating
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc / referred / lfsx_fqup.etc
1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15 include "basic_2/static/lfdeq_fqup.ma".
16 include "basic_2/rt_computation/lfsx.ma".
17
18 (* STRONGLY NORMALIZING LOCAL ENV.S FOR UNBOUND PARALLEL RT-TRANSITION ******)
19
20 (* Advanced properties ******************************************************)
21
22 (* Basic_2A1: uses: lsx_atom *)
23 lemma lfsx_atom: ∀h,o,G,T. G ⊢ ⬈*[h, o, T] 𝐒⦃⋆⦄.
24 #h #o #G #T @lfsx_intro
25 #Y #H #HI lapply (lfpx_inv_atom_sn … H) -H
26 #H destruct elim HI -HI //
27 qed.